(19)
(11) EP 1 124 757 A1

(12)

(43) Date of publication:
22.08.2001 Bulletin 2001/34

(21) Application number: 99942479.9

(22) Date of filing: 26.08.1999
(51) International Patent Classification (IPC)7: C01D 5/00, C01D 5/08
(86) International application number:
PCT/US9919/401
(87) International publication number:
WO 0015/554 (23.03.2000 Gazette 2000/12)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 14.09.1998 US 152103

(71) Applicant: DEAD SEA WORKS LTD
84100 Beer Sheva (IL)

(72) Inventors:
  • HOLDENGRABER, Curt
    Kiryat Tivon 36081 (IL)
  • LAMPERT, Shalom
    Maalot 21520 (IL)

(74) Representative: Richebourg, Michel François et al
Cabinet Michel Richebourg,"Le Clos du Golf",69, rue Saint-Simon
42000 Saint Etienne
42000 Saint Etienne (FR)

   


(54) PROCESS FOR PRODUCING POTASSIUM SULFATE FROM POTASH AND SODIUM SULFATE